Most users encounter the need for this download when a game fails to launch, showing errors like: "d3dx9_43.dll is missing" "XINPUT1_3.dll not found"

"The application has failed to start because d3dx9_35.dll was not found"

This package is the for DirectX 9.0c and other legacy components. It installs a collection of runtime libraries—such as D3DX9 , D3DX10 , D3DX11 , XAudio 2.7 , and XInput 1.3 —that are required by older games to communicate with your graphics and audio hardware. Key Details: Version: 9.29.1974.1 File Name: directx_Jun2010_redist.exe Size: ~95.6 MB Official Source: Microsoft Download Center Why Do You Need It?